package com.example.demo.demos.web.mapper;

import com.example.demo.demos.web.entity.Usertest;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;

@Mapper
public interface UsertestMapper {
    @Insert("insert into usertest (username) values (#{username})")
    int add(Usertest usertest);
}
